Lava-computer Serial Port Splitter LAVA POS Instrukcja Użytkownika Pobierz pdf (Strona 5)

Functional Schematic of Splitter

Data Flow TX/RX

POS expects to see data from some device, at a given time. If the data

is not as expected, then the application program in the POS rejects the

data.

P1 and P2 are "Party-line/multi-dropped" on the RS-232 COM port of

the POS.

POS

P1

P2

P3

RS-232

Splitter

Data from P2 or P3

is sent to P1

Data from P1 is

sent to "P2 and P3"

Cheque

reader

Pinpad

or

RFID

reader

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